CVE-2021-31566
3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 0.4%
exploitation probability
0.4%top 67% of all CVEs
observed exploitation
nono source reports it
An improper link resolution flaw can occur while extracting an archive leading to changing modes, times, access control lists, and flags of a file outside of the archive. An attacker may provide a malicious archive to a victim user, who would trigger this flaw when trying to extract the archive. A local attacker may use this flaw to gain more privileges in a system.
Affected products
n/a · libarchiveReferences
https://access.redhat.com/security/cve/CVE-2021-31566https://bugzilla.redhat.com/show_bug.cgi?id=2024237https://github.com/libarchive/libarchive/commit/b41daecb5ccb4c8e3b2c53fd6147109fc12c3043https://github.com/libarchive/libarchive/issues/1566https://lists.debian.org/debian-lts-announce/2022/11/msg00030.html